When the chimney atop the Sistine Chapel spouts white smoke, it means that the Catholic Church officially has a new pope.

You might remember from high school chemistry class that you can change the color of fire by burning different metal salts. For example, burning copper can result in a blue flame. This is the key ...

Thirty years feels like a long time but for those who were on the ground fighting the Old Tucson Studios fire decades ago, ...

Interestingly, it isn't that fire trucks are adhering to this color code only in certain countries—fire departments across the globe have almost all their fire trucks painted with the same red ...